Liftmaster Garage Door Opener Limit Switch Adjustment

Adjusting these dials alters how far the garage door travels while closing and how much force in kilograms the motor uses.

Liftmaster garage door opener limit switch adjustment.

Turn clockwise to increase the travel distance and counterclockwise to decrease the travel distance. One full turn of the adjustment screw will. Step 2 making the adjustments. The travel distance limit setting and the downward force limit setting.

Changes are necessary if the door reverses during closing moves with too much force or strikes the ground and moves back to the top. There are two types of adjustable down limit on liftmaster garage openers. Using a flathead screwdriver turn the down limit switch adjustment screw on the side of the garage door opener counterclockwise one full turn for every 3 inches you need the door to lower so it closes all the way. It is important to set the up open travel limit properly.

Open and close the garage door. We design and engineer residential garage door openers commercial door operators and gate entry systems. Equal about 2 of travel adjustment. Once you locate the limit switch take your flat head screwdriver and start turning the knobs.

Next test the garage door with the help of another person by opening and closing it. Chamberlain group cgi the corporate parent company to liftmaster chamberlain merlin and grifco is a global leader in access solutions and products. Locate the two travel limit dials on either the left or right side of your garage door opener depending on where you are facing. They are denoted by a garage door with an arrow pointing up or down.

If the problem remains continue adjusting the down limit switch until the door operates normally. Using the up open limit adjustment screw you will turn the screw clockwise for more open. Set the step ladder under the garage door opener in your garage and use it to access the up and down limit switch adjustment screws located on the side of the garage door opener motor housing. Travel and counter clockwise for less open travel.

We design and engineer residential garage door openers commercial door operators and gate entry systems. Find a step ladder and place it beneath your liftmaster garage door opener. After making any adjustments check the safety reversal system and test the protector system.